Technical issues at a Federal Aviation Administration center in Virginia caused delays of flights at Portland International Jetport on Saturday.

The FAA said it was directing high-altitude flights around the affected airspace, but some flights into and out of New York and Washington-area airports were delayed or canceled. The FAA said the computer system that controllers use to direct high-altitude flights is now back in service.

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At the Portland International Jetport, Southwest Airlines canceled two flights heading to Baltimore, Maryland. Officials at the jetport said other airlines also delayed flights to those areas.

The FAA website reports flights to and from Washington National, Washington Dulles International, Baltimore Washington Marshall, New York LaGuardia International, New York John F. Kennedy International, Philadelphia International, Newark International, Miami International, and the Teterboro airports have been delayed.